code: def get_critic_params(self):
      return self.critic_model.parameters()
  
file_path: PARL/benchmark/fluid/MADDPG/simple_model.py
imports: import paddle.fluid
  import parl
  from parl import layers
label_desc: Use image node_id 5 for calling the MAModel obj's underlying member method code with example usage: obj.get_critic_params() and returns: self